CUET (UG) entrance exam Question Bank Solutions for Biology

Which of the following symbiotic microorganisms is nitrogen-fixing?

Which ecosystem has the maximum biomass?

In a tree ecosystem the pyramid of numbers is:

Which of the following term used for defining a viral genome incorporated into host DNA?

Pyramid of energy in grassland and pond ecosystem is always ______.

Management and rearing of fishes only is called as:

Flowering in pineapple is promoted by:

Which one of the following is not used for construction of ecological pyramids?

______ plays an important role in blood clotting.

Identify the correct reasons for infertility.

(i) Drugs

(ii) Diseases

(iii) Congenital

(iv) Use of Contraceptives

(v) Immunological or psychological

(vi) Assisted reproductive technology

During the formation of leaves and elongation of stem, some cells ‘left behind’ from the shoot apical meristem, constitute the:

What type of cartilage forms the whole of the adult skeleton of cartilaginous fishes?

Lichens indicate SO₂ pollution because they ______.

The stage transferred into the lotuses after induced fertilization of ova in the laboratory is ______.

The test-tube baby programme employs which one of the following techniques?

DNA fragments generated by the restriction endonuclease in a chemical reaction can be separated by ______.

PCR and restriction fragment length polymorphism are the methods for ______.

A single strand of nucleic acid tagged with a radioactive molecule is called ______.

Gene Amplification using primers can be done by ______.

PCR proceeds mthree distinct steps governed by temperature, they are in order of ______.